ALEXANDRIA, Va., April 21 -- United States Patent no. 12,608,069, issued on April 21, was assigned to Dell Products LP (Round Rock, Texas).

"User input device diagnostics" was invented by Tao-Peng Chu (Taipei, Taiwan), Naveen Kumar Ramakrishna (Round Rock, Texas) and Chen Hsin Chang (Keelung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments provide diagnostic operations on user input devices of an Information Handling System (IHS). Sensor capabilities of the IHS are used to detect when a user of the IHS is not in proximity to the IHS. Upon detecting when the user is not in proximity to the IHS, monitoring is initiated for inputs detected by one or more of the user input devices of the IHS. W...